40431122 has 4 divisors (see below), whose sum is σ = 60646686. Its totient is φ = 20215560.

The previous prime is 40431119. The next prime is 40431199. The reversal of 40431122 is 22113404.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 23629321 + 16801801 = 4861^2 + 4099^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 40431122.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10107779 + ... + 10107782.

Almost surely, 2^40431122 is an apocalyptic number.

40431122 is a deficient number, since it is larger than the sum of its proper divisors (20215564).

40431122 is a wasteful number, since it uses less digits than its factorization.

40431122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20215563.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 40431122 is about 6358.5471611053. The cubic root of 40431122 is about 343.2194817358.

Adding to 40431122 its reverse (22113404), we get a palindrome (62544526).

The spelling of 40431122 in words is "forty million, four hundred thirty-one thousand, one hundred twenty-two".